It is also worth reading these guidelines on which notes to double in a four-part texture.

When you have completed a figured bass exercise, you should put it away for at least a few hours and then return to it in the role of a marker. The following link suggests some things to check for.
Figured Bass - a Checklist

Notes:
Here are copies of the two assignments. You should finish the one you started in class to hand in next week:
Assignment AAssignment B